1145341332 has 36 divisors (see below), whose sum is σ = 2920799700. Its totient is φ = 378400512.

The previous prime is 1145341321. The next prime is 1145341333. The reversal of 1145341332 is 2331435411.

It is a happy number.

1145341332 is a `hidden beast` number, since 114 + 534 + 13 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 401361156 + 743980176 = 20034^2 + 27276^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1145341296 and 1145341305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145341333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136707 + ... + 144842.

It is an arithmetic number, because the mean of its divisors is an integer number (81133325).

Almost surely, 2^1145341332 is an apocalyptic number.

1145341332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145341332 is an abundant number, since it is smaller than the sum of its proper divisors (1775458368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145341332 is a wasteful number, since it uses less digits than its factorization.

1145341332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281672 (or 281667 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1145341332 is about 33842.8918977087. The cubic root of 1145341332 is about 1046.2729028957.

Adding to 1145341332 its reverse (2331435411), we get a palindrome (3476776743).

The spelling of 1145341332 in words is "one billion, one hundred forty-five million, three hundred forty-one thousand, three hundred thirty-two".